class_docstr: Megatron BART pretraining
docstr: Allows child classes to implement models with different data regime
docstr_tok: ["Allows","child","classes","to","implement","models","with","different","data","regime"]
code: def model_name(self):
      """Allows child classes to implement models with different data regime"""
      return "BART"
  
file_path: NeMo/nemo/collections/nlp/models/language_modeling/megatron_bart_model.py
imports: from omegaconf.dictconfig import DictConfig
  from pytorch_lightning.trainer.trainer import Trainer
  from nemo.collections.nlp.models.language_modeling.megatron_t5_model import MegatronT5Model
label_desc: Use image node_id 2 for calling the MegatronBARTModel obj's underlying member method code with example usage: obj.model_name() and returns: str